/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller;

import dao.GiayDAO;
import dao.LoaiGiayDAO;
import dao.MauSacDAO;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import pojo.GiayPOJO;
import pojo.LoaiGiayPOJO;
import pojo.MauSacPOJO;

/**
 *
 * @author Administrator
 */
@WebServlet(name = "TimKiemGiayController", urlPatterns = {"/TimKiemGiayController"})
public class TimKiemGiayController extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            //Lấy danh mục loại giày.
            ArrayList<LoaiGiayPOJO> dsLoaiGiay = LoaiGiayDAO.layDanhMucLoaiGiay();
            request.setAttribute("dsLoaiGiay", dsLoaiGiay);

            //Lấy danh mục màu sắc.
            ArrayList<MauSacPOJO> dsMauSac = MauSacDAO.layDanhMucMauSac();
            request.setAttribute("dsMauSac", dsMauSac);

            //------------------------------------------------------------------
            

            if (request.getParameter("slGioiTinh") != null) {
                //Lấy giới tính.
                int gioiTinh = -1;
                if (request.getParameter("slGioiTinh") != null) {
                    gioiTinh = Integer.parseInt(request.getParameter("slGioiTinh"));
                }

                //Lấy tham số mã loại giày.
                int maLoaiGiay = -1;
                if (request.getParameter("slLoaiGiay") != null) {
                    maLoaiGiay = Integer.parseInt(request.getParameter("slLoaiGiay"));
                }

                //Lấy tham số mã loại giày.
                int maMauSac = -1;
                if (request.getParameter("slMauSac") != null) {
                    maMauSac = Integer.parseInt(request.getParameter("slMauSac"));
                }

                //Lấy số trang.
                int trang = 1;
                if (request.getParameter("Trang") != null) {
                    trang = Integer.parseInt(request.getParameter("Trang"));
                }

                //Tìm kiếm.
                int tongSoGiayTimThay = 0;
                ArrayList<GiayPOJO> dsGiay = new ArrayList<GiayPOJO>();
                if (maLoaiGiay != -1 && maMauSac != -1) {//Tìm kiếm giày theo loại giày và màu sắc.
                    dsGiay = GiayDAO.timKiemGiay_TheoLoaiGiay_TheoMauSac_PhanTrang_Client(trang, maLoaiGiay, maMauSac, gioiTinh);
                    tongSoGiayTimThay = GiayDAO.tinh_SoLuongGiay_TheoLoaiGiay_TheoMauSac_Client(maLoaiGiay, maMauSac, gioiTinh);
                } else if (maLoaiGiay != -1) {//Tìm kiếm theo loại giày.
                    dsGiay = GiayDAO.timKiemGiay_TheoLoaiGiay_PhanTrang_Client(trang, maLoaiGiay, gioiTinh);
                    tongSoGiayTimThay = GiayDAO.tinh_SoLuongGiay_TheoLoaiGiay_Client(maLoaiGiay, gioiTinh);
                } else {//Tìm kiếm giày theo mà sắc
                    dsGiay = GiayDAO.timKiemGiay_TheoMauSac_PhanTrang_Client(trang, maMauSac, gioiTinh);
                    tongSoGiayTimThay = GiayDAO.tinh_SoLuongGiay_TheoMauSac_Client(maMauSac, gioiTinh);
                }
                //Tính tổng số trang tìm thấy.
                int tongSoTrang = GiayDAO.tinhSoLuongTrang_TimKiem_Client(tongSoGiayTimThay);

                //Gán attribute.
                request.setAttribute("dsGiay", dsGiay);
                request.setAttribute("tongSoTrang", tongSoTrang);
                request.setAttribute("gioiTinh", gioiTinh);
                request.setAttribute("maLoaiGiay", maLoaiGiay);
                request.setAttribute("maMauSac", maMauSac);


            }
            request.getRequestDispatcher("/client/tim-kiem-giay.jsp").forward(request, response);

        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
